package com.ttbj.core.util;


import java.io.BufferedReader;
import java.io.IOException;
import java.io.InputStreamReader;
import java.io.PrintWriter;
import java.net.URL;
import java.net.URLConnection;
import java.util.Map;

import org.slf4j.Logger;
import org.slf4j.LoggerFactory;

import com.zywl.common.http.HttpClientUtil;
import com.zywl.common.http.HttpResultVO;
import com.zywl.common.spring.SpringContextHolder;


/**
 * @description YMall httpclient工具
 * @author Daniel
 * @date 2016年5月6日 下午2:58:56
 * 
 */
public class HttpClientUtilYH {

    private static Logger logger = LoggerFactory.getLogger(HttpClientUtilYH.class);

    /**
     * 获取yinhu common HttpClientUtil
     * 
     * @author Daniel
     * @date 2016年5月6日 下午3:00:16
     * 
     * @return
     * @throws Exception
     */
    private static HttpClientUtil getHttpClientUtil() throws Exception {
        HttpClientUtil httpClientUtil = SpringContextHolder.getBean("httpClientUtil");
        if (httpClientUtil != null) {
            return httpClientUtil;
        } else {
            httpClientUtil = new HttpClientUtil();
            return httpClientUtil;
        }
    }

    /**
     * post
     * 
     * @author Daniel
     * @date 2016年5月6日 下午3:09:09
     * 
     * @param url
     * @param paras
     * @return
     * @throws IOException
     */
    public static String doPost(String url, Map<String, String> paras) throws IOException {
        String rs = null;
        long currentTime = System.currentTimeMillis();
        try {
            HttpResultVO httpResultVO = getHttpClientUtil().doPostDetail(url, null, paras, "utf-8");
            if (httpResultVO.getStatusCode() != null && httpResultVO.getStatusCode() == 200) {
                rs = httpResultVO.getResponseBody();
            } else {
                long lastTime = System.currentTimeMillis();
                logger.error("HTTP POST 请求URL({})发生非200返回,用时{}ms", url, lastTime - currentTime);
                return httpResultVO.getResponseBody();
            }
        } catch (Exception e) {
            long lastTime = System.currentTimeMillis();
            logger.error("HTTP POST 请求URL({})发生异常,用时{}ms ", url, lastTime - currentTime, e);
            throw new IOException(e.getMessage());
        }
        long lastTime = System.currentTimeMillis();
        logger.info("HTTP POST 请求URL({})正确,用时{}ms", url, lastTime - currentTime);
        return rs;
    }
    
    /**
     * 向指定 URL 发送POST方法的请求
     *
     * @param url   发送请求的 URL
     * @param param 请求参数，请求参数应该是 name1=value1&name2=value2 的形式。
     * @return 所代表远程资源的响应结果
     */
    public static String sendPost(String url,String param) {
        PrintWriter out = null;
        BufferedReader in = null;
        String result = "";
        try {
            URL realUrl = new URL(url);
            // 打开和URL之间的连接
            URLConnection conn = realUrl.openConnection();
            // 设置通用的请求属性
            conn.setRequestProperty("accept", "*/*");
            conn.setRequestProperty("connection", "Keep-Alive");
            conn.setRequestProperty("user-agent", "Mozilla/4.0 (compatible; MSIE 6.0; Windows NT 5.1;SV1)");
//            conn.setRequestProperty("Pragma:", "no-cache");
//            conn.setRequestProperty("Cache-Control", "no-cache");
//            conn.setRequestProperty("Content-Type", "text/xml;charset=utf-8");
            // 发送POST请求必须设置如下两行
            conn.setDoOutput(true);
            conn.setDoInput(true);
            // 获取URLConnection对象对应的输出流
            out = new PrintWriter(conn.getOutputStream());
            // 发送请求参数
            out.print(param);
            // flush输出流的缓冲
            out.flush();
            // 定义BufferedReader输入流来读取URL的响应
            in = new BufferedReader(
                    new InputStreamReader(conn.getInputStream()));
            String line;
            while ((line = in.readLine()) != null) {
                result += line;
            }
        } catch (Exception e) {
            System.out.println("发送 POST 请求出现异常！" + e);
            e.printStackTrace();
        }
        //使用finally块来关闭输出流、输入流
        finally {
            try {
                if (out != null) {
                    out.close();
                }
                if (in != null) {
                    in.close();
                }
            } catch (IOException ex) {
                ex.printStackTrace();
            }
        }
        return result;
    }

    /**
     * get
     * 
     * @author Daniel
     * @date 2016年5月6日 下午3:09:14
     * 
     * @param url
     * @param paras
     * @return
     * @throws IOException
     */
    public static String doGet(String url, Map<String, String> paras) throws IOException {
        String rs = null;
        long currentTime = System.currentTimeMillis();
        try {
            HttpResultVO httpResultVO = getHttpClientUtil().doGetDetail(url, null, paras, "utf-8");
            if (httpResultVO.getStatusCode() != null && httpResultVO.getStatusCode() == 200) {
                rs = httpResultVO.getResponseBody();
            } else {
                long lastTime = System.currentTimeMillis();
                logger.error("HTTP POST 请求URL({})发生非200返回,用时{}ms", url, lastTime - currentTime);
                return httpResultVO.getResponseBody();
            }
        } catch (Exception e) {
            long lastTime = System.currentTimeMillis();
            logger.error("HTTP POST 请求URL({})发生异常,用时{}ms ", url, lastTime - currentTime, e);
            throw new IOException(e.getMessage());
        }
        long lastTime = System.currentTimeMillis();
        logger.info("HTTP POST 请求URL({})正确,用时{}ms", url, lastTime - currentTime);
        return rs;
    }

    public static String doPostStringDetail(String url, String json) throws IOException {
        String rs = null;
        long currentTime = System.currentTimeMillis();
        try {
            HttpResultVO httpResultVO = getHttpClientUtil().doPostStringDetail(url, null, json, "utf-8", 60000, 60000);
            if (httpResultVO.getStatusCode() != null && httpResultVO.getStatusCode() == 200) {
                rs = httpResultVO.getResponseBody();
            } else {
                long lastTime = System.currentTimeMillis();
                logger.error("HTTP POST 请求URL({})发生非200返回,用时{}ms", url, lastTime - currentTime);
                return httpResultVO.getResponseBody();
            }
        } catch (Exception e) {
            long lastTime = System.currentTimeMillis();
            logger.error("HTTP POST 请求URL({})发生异常,用时{}ms ", url, lastTime - currentTime, e);
            throw new IOException(e.getMessage());
        }
        long lastTime = System.currentTimeMillis();
        logger.info("HTTP POST 请求URL({})正确,用时{}ms", url, lastTime - currentTime);
        return rs;
    }

}
